Relaxing the Cosmological Constraints on Unparticle Dark Component

Details Relaxing the Cosmological Constraints on Unparticle Dark Component Relaxing the Cosmological Constraints on Unparticle Dark Component

2008-12-24

arxiv.org/abs/0812.4489v3

Eur.Phys.J.C62:579-586,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 5 figures, revtex4; v2: discussions added, accepted by Eur. Phys. J. C; v3: published version

Scientific paper

10.1140/epjc/s10052-009-1056-5

Unparticle physics has been an active field since the seminal work of Georgi. Recently, many constraints on unparticles from various observations have been considered in the literature. In particular, the cosmological constraints on the unparticle dark component put it in a serious situation. In this work, we try to find a way out of this serious situation, by including the possible interaction between dark energy and the unparticle dark component.

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